CN103946451B - Pavement snow melting outlet pipe configuration body, snow melt road surface component and pavement snow melting system - Google Patents
Pavement snow melting outlet pipe configuration body, snow melt road surface component and pavement snow melting system Download PDFInfo
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- CN103946451B CN103946451B CN201280038188.8A CN201280038188A CN103946451B CN 103946451 B CN103946451 B CN 103946451B CN 201280038188 A CN201280038188 A CN 201280038188A CN 103946451 B CN103946451 B CN 103946451B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
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Abstract
The invention provides a kind of pavement snow melting outlet pipe configuration body, snow melt road surface component and pavement snow melting system, snow melt air can be discharged in more uniform mode compared with the past below the road surface as snow melt object, thus suppress snow melt uneven, and construction easily, can reduce engineering time and operating expenses.This pavement snow melting outlet pipe configuration body has: the many perforated pipes (7 being formed with multiple air squit hole (6) laid in as the given area under the road surface (5) of snow melt object, 7), by these perforated pipes (7, 7) a pair ventilation connecting piece (8 that both ends can link respectively with ventilating, 8), with by these ventilations connecting piece (8, 8) a end can link and possess the air supply pipe (9) of air fed air supply port (11) with ventilating, and, a pair ventilation connecting piece (8, 8) the other end (81) is for closed state or utilize end ventilating pipe (10) to link with ventilating.
Description
Technical field
The present invention relates to and heat road surface by discharging snow melt air to the below on the road surface as snow melt object and carry out the pavement snow melting outlet pipe configuration body of snow melt, snow melt road surface component and pavement snow melting system.
Background technology
In the past, propose the various invention about pavement snow melting system etc., the snow melt air that make use of used heat etc. is discharged in its below to the road surface as snow melt object, utilizes the heat of this air to heat road surface thus to carry out snow melt.
Such as, a kind of warm braw device for melting snow is proposed in Japanese Unexamined Patent Publication 2005-36622 publication, the both ends of the surface of breast boards to the barrel-shaped structure body being formed with opening portion on side face are utilized to cover and form convection space portion, temperature tube is inserted into the convection space portion in described barrel-shaped structure body with the cryotronl possessing exhaust fan, described temperature tube via tube head with possess the hot air hose of air-supply with fan and be connected, the periphery of described barrel-shaped structure body covers (patent document 1) with granular stone.According to the record of this patent document 1, can utilize used heat as snow melt air, be without the need to the high device for melting snow of the economy of very high operation cost.
In addition, in Japanese Unexamined Patent Publication 1-247602 publication, propose a kind of earth's surface freeze and accumulated snow prevention method, send into air to the stack with multiple steam vent be embedded in ground, from steam vent, air is discharged to earth's surface, thus prevent freezing and accumulated snow (patent document 2) of earth's surface.According to the record of this patent document 2, can not only be very simple and easy at large and reliably prevent freezing of earth's surface, can also accumulated snow be prevented.
And then, in Japanese Unexamined Patent Publication 2003-239214 publication, proposing a kind of snow-melting system of paved road and freeze anti-locking system, pipe arrangement for spraying gas being set with the bottom being interposed between drainage pave-load layer between suitable and to paved road ejection gas (patent document 3).According to the record of this patent document 3, medium is air, everywhere can obtain on earth, operating expenses is only pipe arrangement expense for supplying gas, jet and the expense of compressor, cost is low, the freezing of road surface, place that accumulated snow number of times is few between 1 year, with drainage pave-load layer and use, be expected the investment results obtained.
Prior art document
Patent document 1: Japanese Unexamined Patent Publication 2005-36622 publication.
Patent document 2: Japanese Unexamined Patent Publication 1-247602 publication.
Patent document 3: Japanese Unexamined Patent Publication 2003-239214 publication.
Invent problem to be solved
With regard to the snow melt on road surface, as the important expectation in practice, require to carry out snow melt as far as possible equably to certain above scope, instead of only snow melt is carried out to narrow and small scope.But, in each invention described in above-mentioned patent document 1 to patent document 3, be not all conceived to solve the uneven this point of snow melt on road surface, this both do not recorded and has not implied yet.Such as in patent document 1, there is following problems: near the open end of temperature tube sending into air to barrel-shaped structure body and near the breast boards of the inboard of barrel-shaped structure body, the air capacity of discharging from opening portion produces very large difference.Therefore, cannot heat the road surface as snow melt object equably, can produce snow melt inequality, snow melt efficiency is low.
In addition, in the invention described in patent document 1, need to deep-cut under road surface, constructional difficulties to form convection space portion, and there is the problem causing engineering time and operating expenses to increase.
In addition, the invention described in patent document 2 is also uni-directionally carry out air feed to stack from ventilator, and not special consideration snow melt is uneven, easily discharges more air from the steam vent of the inboard of stack, and generation snow melt is uneven.
And then in patent document 3, about the pipe arrangement possessing squit hole, the configuration structure etc. also just not considering snow melt inequality carries out recording or implying.
Summary of the invention
The present invention proposes to solve such problem points, object is to provide a kind of pavement snow melting outlet pipe configuration body, snow melt road surface component and pavement snow melting system, snow melt air can be discharged than ever more uniformly under the road surface as snow melt object, thus snow melt can be suppressed uneven, and can make construction easily and reduce engineering time and operating expenses.
For solving the scheme of problem
Pavement snow melting outlet pipe configuration body of the present invention is embedded in the below on the road surface as snow melt object, snow melt air is discharged to this road surface, described pavement snow melting outlet pipe configuration body has: many perforated pipes, be layed in described as the given area under the road surface of snow melt object, and be formed with multiple air squit hole; The both ends of these perforated pipes can be linked by a pair ventilation connecting piece respectively with ventilating; And air supply pipe, an end of these ventilation connecting pieces can be linked with ventilating and possess air fed air supply port, and the other end of described a pair ventilation connecting piece is closed state or can links with ventilating by end ventilating pipe.
In addition, as a kind of mode of the present invention, can be designed to, many described perforated pipes configure substantially in parallel side by side with set interval, further, these perforated pipes are roughly surrounded to U-shaped by ventilation connecting piece described in a pair and described air supply pipe and can form with ventilating.
And then, as a kind of mode of the present invention, can be designed to, many described perforated pipes configure substantially in parallel side by side with set interval, and these perforated pipes are surrounded roughly annularly by ventilation connecting piece, described air supply pipe and described end ventilating pipe described in a pair and can form with ventilating.
In addition, as a kind of mode of the present invention, can be designed to, described each air squit hole comprises: at top by multiple apical pores that set interval wears, the right ports of the position of the first retainer that tilts to the right is arranged in each centre position of adjacent described apical pore, the left hole with the leftward position place of described right ports symmetry is arranged in each centre position at adjacent described apical pore, the position of the degree of depth that described each perforated pipe is embedded in the described snow melt air that sprays from the right ports of adjacent described perforated pipe and can intersects in the vicinity on described road surface from the described snow melt air that described left hole is sprayed.
Snow melt road surface of the present invention component is built-in with above-mentioned pavement snow melting outlet pipe configuration body, at this pavement snow melting with above outlet pipe configuration body, is formed with the air circulation portion can circulated from the air of described air squit hole ejection.
In addition, pavement snow melting system of the present invention has: above-mentioned pavement snow melting outlet pipe configuration body, to link and supply the air feed mechanism of described snow melt air, be layed in the top of described pavement snow melting outlet pipe configuration body and the air circulation portion that the air sprayed from described air squit hole is circulated upward and the road surface be layed in this air circulation portion with the air supply port of this pavement snow melting outlet pipe configuration body.
The effect of invention
According to the present invention, snow melt air can be discharged more uniformly under the road surface as snow melt object than ever, thus snow melt can be suppressed uneven, and construction can be made easy, and reduce engineering time and operating expenses.
Accompanying drawing explanation
Fig. 1 is the schematic sectional view of the embodiment representing pavement snow melting system of the present invention.
Fig. 2 is the approximate vertical view of the pavement snow melting outlet pipe configuration body representing present embodiment.
Fig. 3 is the amplification plan view of the perforated pipe represented in present embodiment.
Fig. 4 is the longitudinal section in the 4A-4A cross section represented in Fig. 3.
Fig. 5 is the longitudinal section in the 5A-5A cross section represented in Fig. 3.
Fig. 6 is the approximate vertical view of other the embodiment representing pavement snow melting outlet pipe configuration body of the present invention.
Fig. 7 is the amplification view of the degree of depth representing the perforated pipe laid in present embodiment.
Fig. 8 is the stereogram of the analytical model used in the analog simulation of the comparative example represented in embodiment 1.
Fig. 9 is the stereogram of the analytical model used in the analog simulation of the pavement snow melting outlet pipe configuration body of the present invention represented in embodiment 1.
Figure 10 be represent use the comparative example shown in Fig. 8 model and utilize fluid analysis to obtain overpressure distribution contour map.
Figure 11 represents to use the model of the comparative example shown in Fig. 8 and the three-dimensional chart of the air capacity of spraying from each air squit hole that utilizes fluid analysis to obtain.
Figure 12 is contour map, represent use the model of the pavement snow melting outlet pipe configuration body of the present invention shown in Fig. 9, overpressure that fluid analysis when can roughly be surrounded to U-shaped with ventilating by perforated pipe obtains distributes.
Figure 13 is three-dimensional chart, represent use the model of the pavement snow melting outlet pipe configuration body of the present invention shown in Fig. 9, the air capacity of spraying from each air squit hole that fluid analysis when can roughly be surrounded to U-shaped with ventilating by perforated pipe obtains.
Figure 14 is contour map, represent use the model of the pavement snow melting outlet pipe configuration body of the present invention shown in Fig. 9, overpressure that fluid analysis when can be surrounded roughly annularly with ventilating by perforated pipe obtains distributes.
Figure 15 is three-dimensional chart, represent use the model of the pavement snow melting outlet pipe configuration body of the present invention shown in Fig. 9, the air capacity of spraying from each air squit hole that fluid analysis when can be surrounded roughly annularly with ventilating by perforated pipe obtains.
Figure 16 is the stereogram of the analytical model used in the analog simulation of the air squit hole represented in embodiment 2 when being only made up of apical pore.
Figure 17 is the stereogram of the analytical model used in the analog simulation of the air squit hole represented in embodiment 2 when being made up of apical pore, right ports and left hole.
Figure 18 is the three-dimensional chart of the air capacity that each air squit hole of the perforated pipe from A side representing the model of use shown in Figure 16 and Figure 17 and obtained by fluid analysis sprays.
Figure 19 is the three-dimensional chart of the air capacity that each air squit hole of the perforated pipe from B side representing the model of use shown in Figure 16 and Figure 17 and obtained by fluid analysis sprays.
Figure 20 is the digital photograph image of the pavement snow melting outlet pipe configuration body of the pavement snow melting system used in shooting embodiment 3.
Figure 21 is the top view of the formation of the pavement snow melting system represented in embodiment 3.
Figure 22 is the broken line graph of the outside air temperature of the experiment day represented in embodiment 3, snowfall and amount of precipitation.
Figure 23 is the digital photograph image on the road surface of the pavement snow melting system of the 19:03 to 1:33 of the experiment day of taking in embodiment 3.
Figure 24 is the approximate vertical view representing other embodiment as pavement snow melting outlet pipe configuration body of the present invention and have the situation of many different perforated pipes of length.
Description of reference numerals
1 ... pavement snow melting system, 2 ... pavement snow melting outlet pipe configuration body, 3 ... air feed mechanism, 4 ... snow melt road surface component, 5 ... road surface, 6 ... air squit hole, 7 ... perforated pipe, 8 ... ventilation connecting piece, 9 ... air supply pipe, 10 ... end ventilating pipe, 11 ... air supply port, 12 ... L-shaped joint, 41 ... air circulation portion, 61 ... apical pore, 62 ... right ports, 63 ... left hole, 81 ... the other end of ventilation connecting piece, M ... sewer well.
Detailed description of the invention
Accompanying drawing is below used pavement snow melting outlet pipe configuration body of the present invention, snow melt road surface component to be described and to use these a embodiment of pavement snow melting system.Fig. 1 is the schematic sectional view of the pavement snow melting system 1 representing present embodiment.In addition, Fig. 2 is the top view of the pavement snow melting outlet pipe configuration body 2 representing present embodiment.
As shown in Figure 1 and Figure 2, pavement snow melting system 1 mainly comprises: pavement snow melting outlet pipe configuration body 2, the air feed mechanism 3 supplying snow melt air to this pavement snow melting outlet pipe configuration body 2, built-in described pavement snow melting outlet pipe configuration body 2 and have the snow melt road surface component 4 in air circulation portion 41 and be layed in the road surface 5 of top of this snow melt road surface component 4.Below, each component part is described in detail.
Pavement snow melting outlet pipe configuration body 2 is embedded in the below as the road surface of snow melt object and discharges snow melt air, as shown in Figure 2, have the many perforated pipes 7 being formed with multiple air squit hole 6, the both ends linking these perforated pipes 7 a pair ventilation connecting piece 8,8 and link the air supply pipe 9 of an end of these ventilation connecting pieces 8,8.
Perforated pipe 7 is the pipes of the air squit hole 6 being formed with multiple discharge snow melt air on the whole upper surface of length direction.Material is resin, metal etc., is not particularly limited, and is made up of in the present embodiment polyvinyl chloride pipe.In addition, as shown in Figure 2, at the pavement snow melting of present embodiment with in outlet pipe configuration body 2, the many perforated pipes 7,7 of equal length will be formed as ... configure side by side substantially in parallel with set interval and formed.
Air squit hole 6 is configured to, and when supplying snow melt air in perforated pipe 7, road pavement 5 sprays air equably.In the present embodiment, as shown in Figures 3 to 5, apical pore 61, right ports 62, left hole 63 is comprised.
Apical pore 61 is the holes worn by set interval at the top of perforated pipe 7, is sprayed by the air that supply comes to substantially vertical direction.Right ports 62 is the holes being arranged in the position of the first retainer that tilted to the right in each centre position of adjacent apical pore 61, is sprayed by the air that supply comes to upper right side.In addition, left hole 63 is arranged in the hole with the leftward position place of right ports 62 symmetry in each centre position of adjacent apical pore 61, sprayed by the air that supply comes to upper left side.
The air of discharging from these air squit holes 6 is discharged mainly with the power of leak degree greatly, so without the need to by strictly directed to apical pore 61, right ports 62 and left hole 63, but by making it spray to all directions wittingly, can be vented more broadly, even if to the road surface 5 above the gap between a perforated pipe and other perforated pipes 7 be disposed adjacent, also can air supply effectively, carry out snow melt.
Ventilation connecting piece 8 is for each perforated pipe 7,7 ... the pipe of supply snow melt air, can link adjacent perforated pipe 7 with ventilating.As shown in Figure 2, described ventilation connecting piece 8 uses in couples, is linked to each perforated pipe 7,7 ... both ends.In the present embodiment, for the many perforated pipes 7,7 of configuration side by side as described above ..., utilize a pair ventilation connecting piece 8,8 being formed as linearity by each perforated pipe 7,7 ... link in the mode clamped from both ends.
In addition, link air supply pipe 9 in an end of each ventilation connecting piece 8,8, the other end 81 is closed state or links end ventilating pipe 10 in addition.The structure of the other end 81 of air supply pipe 9 and each ventilation connecting piece 8,8 is below described.
Air supply pipe 9 is fluidly linked an end of ventilation connecting piece 8 and possesses the pipe of air fed air supply port 11.In the present embodiment, as shown in Figure 2, ventilation connecting piece 8 and air supply pipe 9 utilize the joint 12 of L-shaped to link.In addition, the link of ventilation connecting piece 8 and air supply pipe 9 is not limited to be realized by the joint 12 of L-shaped, also can utilize welding, the mode such as bonding links, ventilation connecting piece 8 and air supply pipe 9 can also be formed.
Air supply port 11 is the taking mouth be taken into by snow melt air in pavement snow melting outlet pipe configuration body 2, links as shown in Figure 1 and Figure 2 with air feed mechanism 3.In present embodiment, be arranged on the substantially central portion of air supply pipe 10 or its near, snow melt air can be supplied equably separately to a pair ventilation connecting piece 8,8.
In addition, the other end 81 of each ventilation connecting piece 8,8 in present embodiment as shown in Figure 2, is closed state.Like this, each perforated pipe 7,7 ... a pair ventilation connecting piece 8,8 that quilt can be ventilated and air supply pipe 9 roughly U-shaped surround.
On the other hand, as other the embodiment of pavement snow melting with outlet pipe configuration body 2, also can as shown in Figure 6, the other end 81 of each ventilation connecting piece 8,8 can be linked with end ventilating pipe 10 in addition with ventilating.Now, each perforated pipe 7,7 ... by can ventilate a pair ventilation connecting piece 8,8, air supply pipe 9 and end ventilating pipe 10 surround roughly annularly.
In addition, pavement snow melting outlet pipe configuration body 2 is built in snow melt road surface component 4 as shown in Figure 1.Snow melt road surface component 4 in present embodiment is the road surface components being utilized by shot-like particle concrete etc. to fix and formed.In addition, above built-in pavement snow melting outlet pipe configuration body 2, the air circulation portion 41 of the snow melt air circulation made from the ejection of this pavement snow melting outlet pipe configuration body 2 is formed.As shown in Fig. 1 and Fig. 7, the air circulation portion 41 of present embodiment by between each shot-like particle in mesh-like manner the space of branch formed.Namely, as long as air circulation portion 41 can make the air circulation of discharging from the air squit hole 6 of perforated pipe 7 be not particularly limited to the structure road surface 5, such as can be configured to make in advance block snow melt road surface component 4, the construction works that also can form the gap that air can circulate by laying gravel etc. is formed.
In addition, wish that the burial place of pavement snow melting outlet pipe configuration body 2 is following position: the snow melt air through air circulation portion 41 contacts with road surface 5 entirety as far as possible.Such as shown in Figure 7, the degree of depth of wishing snow melt air for discharging from the right ports 62 of adjacent perforated pipe 7,7 and can intersect near road surface 5 from the snow melt air that left hole 63 is discharged.
Air feed mechanism 3 and air supply port 11 link and for supplying snow melt air, have the pump of air supply.The pump used as air feed mechanism 3 is not particularly limited, and can consider air capacity, setting place etc. and suitably select.
In addition, snow melt air is due to will as the thermal source of snow melt so need the temperature with more than 0 DEG C, but supply source is not particularly limited.Such as, can utilize as the used heat of hot spring, lower water used heat, from house used heat, to arrange from business such as mansions or subway etc. public arrange used heat, from the used heat of factory and underground heat etc. like that by interchange of heat by warmed-up air etc.
As long as the top that road surface 5 is laid on snow melt road surface component 4, the structure that the effect of the air be supplied under road surface 5 can be utilized to carry out snow melt are not particularly limited, can be structure airtrapping being heated below road surface 5 road surface 5 thus snow melt, also can be make air permeable road surface 5 and heat road surface 5 and be discharged to the structure directly blowing to above road surface 5 and avenge the snow melt that comes up.Such as can enumerate pitch, concrete, permeable concrete, wood chip, lawn, gravel, sand etc.In addition, the road surface in the present invention is the road of the walking such as traveling and people not only comprised for automobile, also comprises the concept widely of parking lot, garden, field, sports ground etc.
Then, the effect of each component part in the pavement snow melting outlet pipe configuration body 2 of present embodiment, snow melt road surface component 4 and pavement snow melting system 1 is described together with the flowing of snow melt air.
First, air feed mechanism 3 attracts the snow melt air with the temperature of more than 0 DEG C from supply source, is supplied by this air from air supply port 11 to pavement snow melting with in outlet pipe configuration body 2.
The air that supply comes is separately flowing to the left and right in air supply pipe 9, is supplied to a pair ventilation connecting piece 8,8 respectively.In the present embodiment, air supply port 11 is arranged at the substantial middle position of air supply pipe 9, so roughly equal to the distance of each ventilation connecting piece 8,8, supplies the air of equivalent degree respectively.
In addition, the other end of each ventilation connecting piece 8,8 81 is for closed state or be provided with end ventilating pipe 10, thus can by ventilating close to the perforated pipe 7 of the other end 81 or end ventilating pipe 10 the most.Therefore, it is possible to avoid the air sending into each ventilation connecting piece 8,8 to be partial to side, the other end 81.
That is, many perforated pipes 7,7 ... be configured to, accept the supply of air from the pipe surrounding roughly U-shaped or roughly ring-type that can ventilate, thus to each perforated pipe 7,7 ... the air capacity of supply does not produce large difference.
Then, the air being supplied to each ventilation connecting piece 8,8 is by from each perforated pipe 7,7 ... both ends supply, and from each air squit hole 6,6 ... spray to air circulation portion 41.By the both ends air supply from perforated pipe 7, easily the air pressure in perforated pipe 7 is remained constant, can make from each air squit hole 6,6 ... the air capacity of ejection is close to approximate equality.In addition, multiple air squit hole 6,6 ... the whole upper surface of perforated pipe 7 wears roughly equably, so from each air squit hole 6,6 ... the air capacity of ejection also not easily produces difference.
In addition, in the present embodiment, each perforated pipe 7,7 ... be embedded in the snow melt air sprayed from the right ports 62 of adjacent perforated pipe 7 and the degree of depth can intersected in the vicinity, road surface 5 be layed in above snow melt road surface component 4 from the snow melt air that left hole 63 is sprayed, so air can be sprayed dispersedly to road surface 5 entirety.In addition, air circulation portion 41 pavement snow melting with above outlet pipe configuration body 2 with mesh-shape branch, so make from air squit hole 6 spray air branch, and make its with suitable balance keep air capacity while circulate.
In addition, in the present embodiment, as snow melt road surface component 4, by being pre-formed air circulation portion 41, easily the degree of depth of pavement snow melting outlet pipe configuration body 2 is buried in adjustment underground at the construction field (site), can easily construct.
Utilize the heat heating road surface being discharged to the air on road surface 5, make the snow melt being piled up in road surface 5.In addition, by being configured to snow melt air to be discharged to above road surface 5, snow melt air can be made directly to contact thus snow melt effectively with snow.
According to the pavement snow melting outlet pipe configuration body 2 of present embodiment as above, snow melt road surface component 4 and pavement snow melting system 1, following effect can be obtained.
1. can to many perforated pipes 7,7 ... air supply substantially uniformly.
2. can suppress each air squit hole 6,6 from each perforated pipe 7 ... the inequality of the air capacity of ejection.
3. can suppress the inequality of the air capacity supplied to road surface 5.
4. the snow melt that can alleviate road surface 5 is uneven.
5., by snow melt road surface component 4 being made in advance bulk etc., easily and promptly can construct, the shortening of engineering time and the reduction of operating expenses can be realized.
Embodiment 1
Then, for the action effect of pavement snow melting outlet pipe configuration body 2 of the present invention, the experiment probing into operational feasibility has been carried out.In embodiment 1, fluid analysis program is used to carry out the many perforated pipes 7,7 of pavement snow melting outlet pipe configuration body 2 ... roughly U-shaped or fluid analysis when surrounding roughly annularly and can form with ventilating.The thermal fluid analysis program used in the present embodiment 1 is commercially available SolidWorks and COSMOSFloWorks.
Fig. 8 and Fig. 9 represents the analytical model used in the analog simulation of the present embodiment 1.These models use SolidWorks modeling.Model shown in Fig. 8 as comparative example, only by many perforated pipes 7,7 ... an end utilize ventilation connecting piece 8 to link, make the other end be closed state.In addition, using ventilation one end of connecting piece 8 left end as air supply port 11(Fig. 8), the other end 81 is closed state (right-hand end of Fig. 8).On the other hand, model shown in Fig. 9, as an example of pavement snow melting outlet pipe configuration body 2 of the present invention, is the model that many perforated pipes 7 air supply pipe 9, a pair ventilation connecting piece 8,8 and end ventilating pipe 10 are surrounded roughly annularly and can be linked with ventilating.In addition, air supply port 11 is set in the substantially central portion of air supply pipe 9.In addition, by many perforated pipes 7,7 ... roughly U-shaped ground surrounds and the analog simulation that can form with ventilating utilizes the model shown in Fig. 9, makes the end of end ventilating pipe 10 side of a pair ventilation connecting piece 8,8 be that the fringe conditions of closed state carries out by setting.
At this, condition that each model is common is described.First, the length of perforated pipe 7 is 2300mm.The radical of perforated pipe 7 is 15, arranges with the spaced and parallel of 300mm.In addition, to each perforated pipe 7, from air supply port 11 side, mark the mark from A to O successively to identify.
Ventilation is 4750mm by the length of communicating pipe 8.In addition, the bore of air supply port 11 is 107mm.
The air squit hole 6 of each perforated pipe 7 is only made up of apical pore 61, and aperture is 10.5mm.In addition, hole spacing is each other 100mm, and a perforated pipe forms 21.In addition, on each air squit hole 6, mark the mark from 1 to 21 respectively successively.
Use above model, the quantity delivered of the air at air supply port 11 place is set to 0.0425m3/s, utilize COSMOSFloWorks to carry out fluid analysis.Analysis result as shown below.
Figure 10 represents with isohypse the figure using the model of the comparative example shown in Fig. 8 to carry out the overpressure distribution that fluid analysis obtains.In addition, Figure 11 is by from each air squit hole 6,6 now ... the flow of the air of ejection is with the figure shown in graphics sheet form.
As shown in Figure 10, the pressure in ventilation connecting piece 8 has along with tendency that is front to the side, the other end 81 (right side of Figure 10) of the ventilation connecting piece 8 being in closed state from air supply port (left side of Figure 10) and then that uprise.
In addition, each perforated pipe 7,7 ... in pressure have along with tendency that is front to the side, the other end (upside of Figure 10) of the perforated pipe being in closed state from the side (downside of Figure 10) linked with ventilation connecting piece 8 and then that uprise.
Thus can draw, in the model shown in Fig. 8, to have close to air supply port 11 and low close to ventilation connecting piece 8 place pressure, away from air supply port 11 and away from the high tendency of ventilation connecting piece 8 place pressure.
In addition, as shown in figure 11, each air squit hole 6,6 ... the flow of the air of ejection also shows the tendency of following overpressure distribution.That is, the flow of the air sprayed from No. 21 air squit holes 6 of the A closest to air supply port 11 and ventilation connecting piece 8 is about 5 × 10
-5m
3/ s on the other hand, is about 20 × 10 from the flow of the air of No. 1 air squit hole 6 ejection of the O farthest away from air supply port 11 and ventilation connecting piece 8
-5m
3/ s.If compare these flows, then there is the difference in flow of about 4 times, thus known, in the model shown in Fig. 8, cannot make from each air squit hole 6,6 ... flow impartial.
Then, analysis result when using the specification of a model shown in Fig. 9 can roughly be surrounded to U-shaped with ventilating by perforated pipe 7.To be the figure representing the pressure distribution in pipe with isohypse, Figure 13 be Figure 12 by from each air squit hole 6,6 ... the flow of the air of ejection is with the figure shown in graphics sheet form.
As shown in figure 12, the pressure in each ventilation connecting piece 8,8 have along with from air supply pipe 9 to be in closed state ventilation connecting piece 8 side, the other end 81 before so that the tendency that uprises, but this difference is less than comparative example.In addition, each perforated pipe 7,7 ... even if interior pressure compares at both ends and central portion also almost do not have difference.In addition, for a pair ventilation connecting piece 8,8 pressure differential each other, correspond to the distance apart from air supply pipe 9 and be shown as roughly equal value, in Figure 12, not causing being inclined to difference to some extent because of the difference of full communication between the higher and lower levels connecting piece 8,8.
In addition, as shown in figure 13, for the flow of the air sprayed from air squit hole 6, with ventilation with in the same manner as the tendency of the pressure in connecting piece 8, showing compared with the perforated pipe 7 of air supply pipe 9 side, is the tendency that perforated pipe 7 air capacity of the side, the other end 81 of the ventilation connecting piece 8 of closed state is slightly many.Specifically, from the most close to multiple air squit holes 6,6 of the A perforated pipe 7 of air supply pipe 9 side ... the average discharge of ejection is about 10 × 10
-5m
3/ s, from the most close to multiple air squit holes 6,6 of the P perforated pipe 7 of the side, the other end 81 of ventilation connecting piece 8 ... the average discharge of ejection is about 15 × 10
-5m
3/ s.
As mentioned above, the most about 4 times of the difference of air capacity in comparative example, on the other hand, the difference of air capacity when roughly being surrounded to U-shaped by perforated pipe 7 of the present invention is suppressed to the most about about 1.5 times.
In addition, each air squit hole 6,6 in perforated pipe 7 ... air capacity each other does not almost produce difference.
Figure 14 and Figure 15 uses the model shown in Fig. 9, by many perforated pipes 7,7 ... analysis result when can surround roughly annularly with ventilating, represent the pressure distribution in pipe isohypse and from each air squit hole 6,6 ... the three-dimensional chart of the flow of the air of ejection.
As shown in figure 14, air is also ventilated to end ventilating pipe 10, identical with during Figure 12 perforated pipe can roughly be surrounded to U-shaped with ventilating, pressure in ventilation connecting piece 8 demonstrate along with from air supply pipe 9 before end ventilating pipe 10 and then the tendency uprised a little, but this difference is little compared with comparative example.
In addition, as shown in figure 15, for each air squit hole 6,6 ... the flow of the air of place's ejection, also demonstrate with by many perforated pipes 7,7 ... tendency identical when can roughly surround to U-shaped with ventilating, from each air squit hole 6,6 of the A perforated pipe 7 closest to air supply pipe 9 side ... the average discharge of ejection is about 10m
3/ s, from each air squit hole 6,6 of the P perforated pipe 7 closest to end ventilating pipe 11 ... the average discharge of ejection is about 15m
3/ s.In addition, each air squit hole 6,6 in perforated pipe 7 ... air capacity each other does not almost produce difference.
As known from the above, by many perforated pipes 7,7 ... both ends a pair ventilation connecting piece 8,8 is set, the pressure differential in perforated pipe 7 can be reduced, each air squit hole 6,6 can be made ... the spray volume of air be close to approximate equality.In addition, known by by many perforated pipes 7,7 ... utilize air supply pipe 9, a pair ventilation connecting piece 8,8 and end ventilating pipe 10 can ventilate roughly U-shaped or surround roughly annularly, can reduce each perforated pipe 7,7 ... the difference of the air capacity of supply.
Embodiment 2
In example 2, fluid analysis program is used to carry out analog simulation to the number of the air squit hole 6 be formed on perforated pipe 7 and air spray volume.The thermal fluid analysis program used is SolidWorks and COSMOSFloWorks identical with embodiment 1.
Figure 16 and Figure 17 represents the analytical model used in the analog simulation of the present embodiment 2.In model shown in Figure 16, the air squit hole 6 in pavement snow melting outlet pipe configuration body 2 is only made up of apical pore 61.On the other hand, in the model shown in Figure 17, the air squit hole 6 in pavement snow melting outlet pipe configuration body 2 is made up of apical pore 61, right ports 62 and left hole 63.
The condition that each model is common is described.First, the length of perforated pipe 7 is 2300mm.The radical of perforated pipe 7 is two, arranges with the spaced and parallel of 300mm.In addition, to each perforated pipe 7,7, from air supply pipe 9 side, mark the mark of A and B respectively successively.In addition, ventilation is 900mm by the length of communicating pipe 8, and the bore of air supply port 11 is 107mm.
The air squit hole 6 of perforated pipe 7 is different in each model.First, be only in the model of apical pore 61 at the air squit hole 6 shown in Figure 16, aperture is 10.5mm.In addition, hole spacing is each other 100mm, and each perforated pipe 7,7 respectively wears 21.Each air squit hole 6,6 on perforated pipe now 7 ... the gross area be 1818mm2.In addition, to each air squit hole 6, in turn mark the mark from 1 to 21 respectively.
On the other hand, comprise in the model of apical pore 61, right ports 62 and left hole 63 at the air squit hole 6 shown in Figure 17, aperture is all 6mm.Apical pore spacing is each other 100mm, and each perforated pipe 7,7 respectively wears 21.Mark from 1 to 21 is marked successively to respective apical pore.
In addition, right ports 62 is located in the position of the miter angle that tilts to the right in the centre of adjacent apical pore 61.Right ports 62 spacing is each other 100mm, and each perforated pipe 7,7 respectively wears 22.Left hole 63 is located in the position with the left side of right ports 62 symmetry, and each perforated pipe 7 respectively wears 22.Thus, each air squit hole 6,6 on perforated pipe 7 one ... the gross area be 1838mm2, for being only each air squit hole 6,6 in the model of apical pore with the air squit hole shown in Figure 16 ... the roughly the same area of the gross area.
Use above model, the quantity delivered of the air at air supply port 11 place is set to 0.00566m
3/ s, utilizes COSMOSFloWorks to carry out fluid analysis.Analysis result is as follows.
Figure 18 is by each model, from each air squit hole 6,6 of A perforated pipe 7 ... the flow of the air of ejection is with the figure shown in graphics sheet form.
As shown in figure 18, be only in the model of apical pore 6 at the air squit hole 6 shown in Figure 16, from each air squit hole 6,6 ... the air capacity of ejection exists uneven.
On the other hand, in the model that the air squit hole 6 shown in Figure 17 is made up of apical pore 61, right ports 62 and left hole 63, the air capacity sprayed from each apical pore 61, the air capacity sprayed from each right ports 62 and do not find large inequality from the air capacity that each left hole 63 sprays.
In addition, if compare the average air amount of apical pore 61 and right ports 62, then slightly many from the air capacity of right ports 62 ejection, but there is no large difference.Similarly, if compare the average air amount of apical pore 61 and left hole 63, then slightly many from the air capacity of left hole 63 ejection, but there is no large difference.In addition, if compare the average air amount of right ports 62 and left hole 63, then roughly the same.In addition, as shown in figure 19, in B perforated pipe 7, be also same tendency.
As known from the above, about air squit hole 6, each air squit hole 6,6 on a perforated pipe 7 ... the gross area identical time, by increasing the quantity of air squit hole 6, can make from each air squit hole 6,6 ... the amount of the air of ejection is close to impartial.
Embodiment 3
In embodiment 3, make pavement snow melting system 1 shown in Figure 20, that employ pavement snow melting outlet pipe configuration body 2 of the present invention, be embedded in road surface 5 times practically and carried out the snow melt effect of pavement snow melting system 1 real example experiment.
Pavement snow melting in the present embodiment 3 with outlet pipe configuration body 2 as shown in figure 21, by many perforated pipes 7,7 ... can surround with ventilating roughly annularly with air supply pipe 9, a pair ventilation connecting piece 8,8 and end ventilating pipe 10.And, the scope as snow melt object is divided into four blocks, each of each block is configured to the pavement snow melting outlet pipe configuration body 2 of roughly ring-type.
Perforated pipe 7 in the present embodiment 3 is about 50mm by internal diameter, the pipe of polyvinyl chloride of length 2300mm is formed.In addition, air squit hole 6 is made up of apical pore 61, right ports 62 and left hole 63.The aperture of apical pore 61, right ports 62 and left hole 63 is about 5mm.In addition, apical pore spacing is each other 100mm, and a perforated pipe wears 21.Right ports 62 and left hole 63 are located in the left and right with the position of the angular slope of about 60 degree in the centre of adjacent apical pore 61.
In addition, the pipe that air supply pipe 9, a pair ventilation connecting piece 8,8 and end ventilating pipe 10 are about the polyvinyl chloride of 100mm by internal diameter is formed.
Air supply port 11 and the air feed mechanism 3 of air supply pipe 9 link.In addition, air feed mechanism 3 is linked in the sewer well M that lower water flows through, and is used as snow melt air by by the air after lower water heating.The temperature of the air in sewer well M is about 20 DEG C.
Air circulation portion 41 is formed by laying gravel around pavement snow melting outlet pipe configuration body 2.And then, above air circulation portion 41, lay permeable concrete as road surface 5, form the structure sprayed above road surface 5 by snow melt air.
Test by the air in this sewer well M being supplied to pavement snow melting outlet pipe configuration body 2 always.
Figure 22 is the chart representing outside air temperature, snowfall and the amount of precipitation of testing day.As indicates, in experiment day, snowed from 19:00 to 23:00.
Figure 23 is the digital photograph image that the road surface of shooting experiment day obtains.1:33 from 19:03 to next day temporally arranges with the image that the time interval of 30 minutes photographs to Figure 23 (n) by Figure 23 (a).
As shown in Figure 23 (a), starting the 19:03 of snowfall, road surface 5 cannot confirm accumulated snow.In Figure 23 (b) after 30 minutes, road surface 5 starts accumulated snow.
As shown in figure 22, after this, snow continues to descend 23:00.In fig 23, Figure 23 (b) to Figure 23 is (i) equivalent to this time-bands, can confirm the accumulated snow on road surface 5 therebetween.Snowfall is therebetween about 8cm, although carrying out snow melt, whole snow melt cannot be fallen, from but have the state of accumulated snow.
After this, after snowfall stops after about 30 minutes, as shown in Figure 23 (j), the snow melt on road surface 5, starts to see road surface 5.Then, as shown in Figure 23 (n), the 1:33 after snowfall stops after about 2 hours 30 minutes, the snow on road surface 5 all melts substantially.
As mentioned above, in the real example experiment in the present embodiment 3, with about 2 hours 30 minutes, the snowfall of about 8cm is successfully melted.This is the snow melt ability equal with the road heating system of use heating wire in the past.But the energy required for pavement snow melting system 1 of the present invention is only the energy driving air feed mechanism 3, compared with the road heating system of use heating wire in the past, is the system of very power saving, energy efficiency excellence.
In addition, in pavement snow melting system 1, as shown in Figure 23 (n), snow melt inequality is also considerably less, and snow melt Efficient air can be used for snow melt, practicality is high.
In addition, pavement snow melting outlet pipe configuration body 2 of the present invention, snow melt road surface component 4 and pavement snow melting system 1 are not limited to aforesaid embodiment, can suitably change.
Such as, also as shown in embodiment 3 and Figure 24, the road surface 5 as snow melt object can be divided into multiple block, each block be arranged to the pavement snow melting outlet pipe configuration body 2 of modularization.In addition, many perforated pipes 7,7 ... also can be the pipe that length shown in Figure 24 is different., although not shown, but also can adopt the structure of pavement snow melting outlet pipe configuration body about 2 overlying multiple layers in addition.
Claims (6)
1. a pavement snow melting outlet pipe configuration body, is embedded in the below on the road surface as snow melt object, discharges snow melt air, it is characterized in that to this road surface,
Described pavement snow melting outlet pipe configuration body has: many perforated pipes, is layed in described as the given area under the road surface of snow melt object, and is formed with multiple air squit hole; The both ends of these perforated pipes can be linked by a pair ventilation connecting piece respectively with ventilating; And air supply pipe, an end of these ventilation connecting pieces can be linked with ventilating and possess air fed air supply port, and the other end of described a pair ventilation connecting piece is closed state or can links with ventilating by end ventilating pipe.
2. pavement snow melting outlet pipe configuration body according to claim 1, is characterized in that,
Many described perforated pipes configure substantially in parallel side by side with set interval, and these perforated pipes are roughly surrounded to U-shaped by ventilation connecting piece described in a pair and described air supply pipe and can form with ventilating.
3. pavement snow melting outlet pipe configuration body according to claim 1, is characterized in that,
Many described perforated pipes configure substantially in parallel side by side with set interval, and these perforated pipes are surrounded roughly annularly by ventilation connecting piece, described air supply pipe and described end ventilating pipe described in a pair and can form with ventilating.
4. the outlet pipe configuration body of the pavement snow melting according to any one of claims 1 to 3, is characterized in that,
Described each air squit hole comprises: the multiple apical pores, the right ports being arranged in the position of the first retainer that tilts to the right in each centre position of adjacent described apical pore that wear by set interval at top and be arranged in the left hole with the leftward position place of described right ports symmetry in each centre position of adjacent described apical pore, the position of the degree of depth that described each perforated pipe is embedded in the described snow melt air that sprays from the right ports of adjacent described perforated pipe and can intersects in the vicinity on described road surface from the described snow melt air that described left hole is sprayed.
5. a snow melt road surface component, it is characterized in that, be built-in with the pavement snow melting outlet pipe configuration body according to any one of Claims 1-4, at this pavement snow melting with above outlet pipe configuration body, be formed with the air circulation portion can circulated from the air of described air squit hole ejection.
6. a pavement snow melting system, it is characterized in that having: the pavement snow melting outlet pipe configuration body according to any one of Claims 1-4, to link with the air supply port of this pavement snow melting outlet pipe configuration body and to supply the air feed mechanism of described snow melt air, be layed in the top of described pavement snow melting outlet pipe configuration body and the air circulation portion that the air sprayed from described air squit hole is circulated upward and the road surface be layed in this air circulation portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011121749A JP2012246731A (en) | 2011-05-31 | 2011-05-31 | Road surface snow melting exhaust pipe structure, road surface material for snow melting and road surface snow melting system |
| JP2011-121749 | 2011-05-31 | ||
| PCT/JP2012/063883 WO2012165461A1 (en) | 2011-05-31 | 2012-05-30 | Air discharge pipe structure for melting snow on road surface, road surface material for melting snow, and system for melting snow on road surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103946451A CN103946451A (en) | 2014-07-23 |
| CN103946451B true CN103946451B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280038188.8A Active CN103946451B (en) | 2011-05-31 | 2012-05-30 | Pavement snow melting outlet pipe configuration body, snow melt road surface component and pavement snow melting system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012246731A (en) |
| CN (1) | CN103946451B (en) |
| WO (1) | WO2012165461A1 (en) |
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| CN109137662B (en) * | 2018-08-20 | 2020-11-27 | 东阳市中晟建筑工程有限公司 | Snow-accumulation-preventing anti-skidding floor tile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141175Y (en) * | 2007-12-20 | 2008-10-29 | 北京京鹏环球科技股份有限公司 | Hot wind snow melting device for ecological hotel or warmhouse |
| JP4177423B2 (en) * | 2006-08-03 | 2008-11-05 | 株式会社ホクスイ設計コンサル | Air blowing snow melting and drying system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60126403A (en) * | 1983-12-09 | 1985-07-05 | 古河電気工業株式会社 | Heat pipe type snow melting system |
| JPH01247602A (en) * | 1988-03-29 | 1989-10-03 | Kyowa Densetsu Kaisha Ltd | Prevention of freezing and snow piling on ground surface |
| JPH08296204A (en) * | 1995-04-26 | 1996-11-12 | Hajime Zenitani | Regenerative snow melting device and snow melting method |
| JPH11193505A (en) * | 1997-12-29 | 1999-07-21 | Fujikura Ltd | Heat-pipe type snow-melting apparatus utilizing wind force |
| JPH11286904A (en) * | 1998-04-01 | 1999-10-19 | Grand Work:Kk | Snow melting method of road or the like and device of the same |
| JP2003239214A (en) * | 2002-02-14 | 2003-08-27 | Yasushi Ozaki | Aerowarmer |
| JP4045324B2 (en) * | 2003-07-17 | 2008-02-13 | 政六 岡部 | Hot air snow melting equipment |
-
2011
- 2011-05-31 JP JP2011121749A patent/JP2012246731A/en active Pending
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2012
- 2012-05-30 WO PCT/JP2012/063883 patent/WO2012165461A1/en active Application Filing
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4177423B2 (en) * | 2006-08-03 | 2008-11-05 | 株式会社ホクスイ設計コンサル | Air blowing snow melting and drying system |
| CN201141175Y (en) * | 2007-12-20 | 2008-10-29 | 北京京鹏环球科技股份有限公司 | Hot wind snow melting device for ecological hotel or warmhouse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103946451A (en) | 2014-07-23 |
| WO2012165461A1 (en) | 2012-12-06 |
| JP2012246731A (en) | 2012-12-13 |
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